Alright, let's work through 86769090 times 12949646 step by step
86769090 × 12949646 = 12949646 × (86769090)
+ 12949646 × 0 giving us 0
+ 12949646 × 90 giving us 1165468140
+ 12949646 × 000 resulting in 0
+ 12949646 × 9000 that results in 116546814000
+ 12949646 × 60000 that results in 776978760000
+ 12949646 × 700000 which equals 9064752200000
+ 12949646 × 6000000 resulting in 77697876000000
+ 12949646 × 80000000 yielding 1035971680000000

= 1123628999242140
